diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6461535
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,19 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and WebStorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+### Composer template
+composer.phar
+/vendor/
+
+# Commit your application's lock file https://getcomposer.org/doc/01-basic-usage.md#commit-your-composer-lock-file-to-version-control
+# You may choose to ignore a library lock file http://getcomposer.org/doc/02-libraries.md#lock-file
+# composer.lock
+
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..732c426
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Eduardo Silvi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..3f5ef55
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,26 @@
+{
+    "name": "edubacco/composer-no-download",
+    "description": "A composer plugin that prevents composer from downloading packages",
+    "type": "composer-plugin",
+    "version": "1.0",
+    "authors": [
+        {
+            "name": "Eduardo Silvi",
+            "email": "eduardo3q@gmail.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "ComposerNoDownload\\": "src/"
+        }
+    },
+    "extra": {
+        "class": "ComposerNoDownload\\Plugin"
+    },
+    "require": {
+        "composer-plugin-api": "^1.1"
+    },
+    "require-dev": {
+        "composer/composer": "^1.8"
+    }
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..be91604
--- /dev/null
+++ b/composer.lock
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+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "ace2f74efb2422a747fe9c6893f183df",
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+                "url": "https://github.com/composer/ca-bundle.git",
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+            },
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+                "url": "https://api.github.com/repos/composer/ca-bundle/zipball/558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
+                "reference": "558f321c52faeb4828c03e7dc0cfe39a09e09a2d",
+                "shasum": ""
+            },
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+            },
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+                "psr/log": "^1.0",
+                "symfony/process": "^2.5 || ^3.0 || ^4.0"
+            },
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+            "extra": {
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+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "email": "j.boggiano@seld.be",
+                    "homepage": "http://seld.be"
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+            "description": "Lets you find a path to the system CA bundle, and includes a fallback to the Mozilla CA bundle.",
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+                "cacert",
+                "certificate",
+                "ssl",
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+            "time": "2019-01-28T09:30:10+00:00"
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+            "bin": [
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-02-23T15:06:07+00:00"
+        },
+        {
+            "name": "symfony/debug",
+            "version": "v3.4.23",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/debug.git",
+                "reference": "8d8a9e877b3fcdc50ddecf8dcea146059753f782"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/debug/zipball/8d8a9e877b3fcdc50ddecf8dcea146059753f782",
+                "reference": "8d8a9e877b3fcdc50ddecf8dcea146059753f782",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "psr/log": "~1.0"
+            },
+            "conflict": {
+                "symfony/http-kernel": ">=2.3,<2.3.24|~2.4.0|>=2.5,<2.5.9|>=2.6,<2.6.2"
+            },
+            "require-dev": {
+                "symfony/http-kernel": "~2.8|~3.0|~4.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Debug\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Debug Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-02-24T15:45:11+00:00"
+        },
+        {
+            "name": "symfony/filesystem",
+            "version": "v3.4.23",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/filesystem.git",
+                "reference": "acf99758b1df8e9295e6b85aa69f294565c9fedb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/filesystem/zipball/acf99758b1df8e9295e6b85aa69f294565c9fedb",
+                "reference": "acf99758b1df8e9295e6b85aa69f294565c9fedb",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Filesystem\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Filesystem Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-02-04T21:34:32+00:00"
+        },
+        {
+            "name": "symfony/finder",
+            "version": "v3.4.23",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/finder.git",
+                "reference": "fcdde4aa38f48190ce70d782c166f23930084f9b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/finder/zipball/fcdde4aa38f48190ce70d782c166f23930084f9b",
+                "reference": "fcdde4aa38f48190ce70d782c166f23930084f9b",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Finder\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Finder Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-02-22T14:44:53+00:00"
+        },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.10.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/e3d826245268269cd66f8326bd8bc066687b4a19",
+                "reference": "e3d826245268269cd66f8326bd8bc066687b4a19",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "backendtea@gmail.com"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-08-06T14:22:27+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.10.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/c79c051f5b3a46be09205c73b80b346e4153e494",
+                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "mbstring",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "time": "2018-09-21T13:07:52+00:00"
+        },
+        {
+            "name": "symfony/process",
+            "version": "v3.4.23",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/process.git",
+                "reference": "009f8dda80930e89e8344a4e310b08f9ff07dd2e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/process/zipball/009f8dda80930e89e8344a4e310b08f9ff07dd2e",
+                "reference": "009f8dda80930e89e8344a4e310b08f9ff07dd2e",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Process\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Process Component",
+            "homepage": "https://symfony.com",
+            "time": "2019-01-16T13:27:11+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..52a8461
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,7 @@
+# Composer No Download Packages
+This plugin prevents composer to download packages, but let him update composer.lock with correct infos.
+
+This is useful in CI/CD pipelines, where you need to just update the composer.lock file, but you're not interested in
+having PHP libraries be physically installed in your /vendor folder.
+
+*Once installed, composer commands will have no effect on your vendor forlder and his content*
diff --git a/src/Installer.php b/src/Installer.php
new file mode 100644
index 0000000..363f66d
--- /dev/null
+++ b/src/Installer.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: eduardosilvi
+ * Date: 10/03/19
+ * Time: 20.22
+ */
+
+namespace ComposerNoDownload;
+
+
+use Composer\Installer\NoopInstaller;
+
+/**
+ * Class Installer
+ *
+ * @package composerNoDownload
+ * @author eduardo3q@gmail.com
+ */
+class Installer extends NoopInstaller {
+}
\ No newline at end of file
diff --git a/src/Plugin.php b/src/Plugin.php
new file mode 100644
index 0000000..a380908
--- /dev/null
+++ b/src/Plugin.php
@@ -0,0 +1,28 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: eduardosilvi
+ * Date: 10/03/19
+ * Time: 20.22
+ */
+
+namespace ComposerNoDownload;
+
+
+use Composer\Composer;
+use Composer\IO\IOInterface;
+use Composer\Plugin\PluginInterface;
+
+/**
+ * Class Plugin
+ *
+ * @package composerNoDownload
+ * @author eduardo3q@gmail.com
+ */
+class Plugin implements PluginInterface {
+
+	public function activate( Composer $composer, IOInterface $io ) {
+		$installer = new Installer($io, $composer);
+		$composer->getInstallationManager()->addInstaller($installer);
+	}
+}
\ No newline at end of file